#04CBFF#04CBFF
#04CBFF is a light, vivid cyan. Relative luminance 0.500; OKLCH L 78.3% C 0.148 H 224.9°. Best body text is #000000 at 10.99:1 contrast (WCAG AA passes).
Color values
| HEX | #04CBFF |
|---|---|
| RGB | rgb(4, 203, 255) |
| HSL | hsl(192, 100%, 51%) |
| HSV | hsv(192, 98%, 100%) |
| CMYK | cmyk(98.4%, 20.4%, 0%, 0%) |
| CIE-LAB | lab(76.04, -23.76, -37.10) |
| CIE-LCH | lch(76.04, 44.06, 237.36°) |
| OKLab | oklab(78.34% -0.1047 -0.1044) |
| OKLCH | oklch(78.34% 0.148 224.9) |
| XYZ | xyz(39.4483, 49.9523, 102.1509) |
| Luminance | 0.4996 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Bright Sky Blue
#02CCFE
ΔE00 0.63
Deepskyblue
#00BFFF
ΔE00 4.63
Neon Blue
#04D9FF
ΔE00 5.43
Lightblue (survey)
#7BC8F6
ΔE00 6.69
Baby Blue
#89CFF0
ΔE00 7.29
Sky Blue
#87CEEB
ΔE00 7.37
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#04CBFF #FF3804
analogous
#04FFB5 #04CBFF #044EFF
triadic
#04CBFF #FF04CB #CBFF04
tetradic
#04CBFF #B504FF #FF3804 #4EFF04
square
#04CBFF #B504FF #FF3804 #4EFF04
split-complementary
#04CBFF #FF044E #FFB504
monochromatic
#006C89 #009DC6 #04CBFF #41D8FF #7EE4FF
Accessibility & contrast
On white
1.91
#04CBFF on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
10.99
#04CBFF on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #04CBFF
10.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##04CBFF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##04CBFF | 1.00 | 1.91 | 10.99 | 10.99 |
| #FFFFFF | 1.91 | 1.00 | 21.00 | 21.00 |
| #000000 | 10.99 | 21.00 | 1.00 | 1.00 |
| ##000000 | 10.99 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#AEC7FF
Deuteranopia (green-blind)
#92B3FE
Tritanopia (blue-blind)
#00DADC
Achromatopsia (no color)
#BBBBBB
Design tokens & code
CSS
--color: #04cbff; /* rgb */ color: rgb(4, 203, 255); /* oklch */ color: oklch(78.3% 0.148 224.9);
Tailwind
colors: {
custom: {
50: '#84dbff',
500: '#04cbff',
950: '#000000',
},
}SCSS
$custom: #04cbff; $custom-light: #84dbff; $custom-dark: #000000;
JSON
{
"hex": "#04cbff",
"rgb": {
"r": 4,
"g": 203,
"b": 255
},
"hsl": {
"h": 192.43,
"s": 100,
"l": 50.784
},
"oklch": {
"l": 0.7834,
"c": 0.14791,
"h": 224.9
},
"luminance": 0.49958
}Semantic roles & 50–950 ramp
primary
#04CBFF
secondary
#E78F78
accent
#5529FF
background
#F9FDFF
surface
#F2FBFF
border
#CCD4D7
text
#0D1518
muted
#7E8386